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path: root/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
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Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-dev.c')
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-dev.c117
1 files changed, 88 insertions, 29 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
index 3936543a74d8..f393228d41c7 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
@@ -524,19 +524,28 @@ static void xgbe_disable_vxlan(struct xgbe_prv_data *pdata)
netif_dbg(pdata, drv, pdata->netdev, "VXLAN acceleration disabled\n");
}
+static unsigned int xgbe_get_fc_queue_count(struct xgbe_prv_data *pdata)
+{
+ unsigned int max_q_count = XGMAC_MAX_FLOW_CONTROL_QUEUES;
+
+ /* From MAC ver 30H the TFCR is per priority, instead of per queue */
+ if (XGMAC_GET_BITS(pdata->hw_feat.version, MAC_VR, SNPSVER) >= 0x30)
+ return max_q_count;
+ else
+ return min_t(unsigned int, pdata->tx_q_count, max_q_count);
+}
+
static int xgbe_disable_tx_flow_control(struct xgbe_prv_data *pdata)
{
- unsigned int max_q_count, q_count;
unsigned int reg, reg_val;
- unsigned int i;
+ unsigned int i, q_count;
/* Clear MTL flow control */
for (i = 0; i < pdata->rx_q_count; i++)
XGMAC_MTL_IOWRITE_BITS(pdata, i, MTL_Q_RQOMR, EHFC, 0);
/* Clear MAC flow control */
- max_q_count = XGMAC_MAX_FLOW_CONTROL_QUEUES;
- q_count = min_t(unsigned int, pdata->tx_q_count, max_q_count);
+ q_count = xgbe_get_fc_queue_count(pdata);
reg = MAC_Q0TFCR;
for (i = 0; i < q_count; i++) {
reg_val = XGMAC_IOREAD(pdata, reg);
@@ -553,9 +562,8 @@ static int xgbe_enable_tx_flow_control(struct xgbe_prv_data *pdata)
{
struct ieee_pfc *pfc = pdata->pfc;
struct ieee_ets *ets = pdata->ets;
- unsigned int max_q_count, q_count;
unsigned int reg, reg_val;
- unsigned int i;
+ unsigned int i, q_count;
/* Set MTL flow control */
for (i = 0; i < pdata->rx_q_count; i++) {
@@ -579,8 +587,7 @@ static int xgbe_enable_tx_flow_control(struct xgbe_prv_data *pdata)
}
/* Set MAC flow control */
- max_q_count = XGMAC_MAX_FLOW_CONTROL_QUEUES;
- q_count = min_t(unsigned int, pdata->tx_q_count, max_q_count);
+ q_count = xgbe_get_fc_queue_count(pdata);
reg = MAC_Q0TFCR;
for (i = 0; i < q_count; i++) {
reg_val = XGMAC_IOREAD(pdata, reg);
@@ -807,6 +814,9 @@ static int xgbe_set_speed(struct xgbe_prv_data *pdata, int speed)
unsigned int ss;
switch (speed) {
+ case SPEED_10:
+ ss = 0x07;
+ break;
case SPEED_1000:
ss = 0x03;
break;
@@ -1147,8 +1157,8 @@ static int xgbe_read_mmd_regs_v2(struct xgbe_prv_data *pdata, int prtad,
unsigned int mmd_address, index, offset;
int mmd_data;
- if (mmd_reg & MII_ADDR_C45)
- mmd_address = mmd_reg & ~MII_ADDR_C45;
+ if (mmd_reg & XGBE_ADDR_C45)
+ mmd_address = mmd_reg & ~XGBE_ADDR_C45;
else
mmd_address = (pdata->mdio_mmd << 16) | (mmd_reg & 0xffff);
@@ -1179,8 +1189,8 @@ static void xgbe_write_mmd_regs_v2(struct xgbe_prv_data *pdata, int prtad,
unsigned long flags;
unsigned int mmd_address, index, offset;
- if (mmd_reg & MII_ADDR_C45)
- mmd_address = mmd_reg & ~MII_ADDR_C45;
+ if (mmd_reg & XGBE_ADDR_C45)
+ mmd_address = mmd_reg & ~XGBE_ADDR_C45;
else
mmd_address = (pdata->mdio_mmd << 16) | (mmd_reg & 0xffff);
@@ -1210,8 +1220,8 @@ static int xgbe_read_mmd_regs_v1(struct xgbe_prv_data *pdata, int prtad,
unsigned int mmd_address;
int mmd_data;
- if (mmd_reg & MII_ADDR_C45)
- mmd_address = mmd_reg & ~MII_ADDR_C45;
+ if (mmd_reg & XGBE_ADDR_C45)
+ mmd_address = mmd_reg & ~XGBE_ADDR_C45;
else
mmd_address = (pdata->mdio_mmd << 16) | (mmd_reg & 0xffff);
@@ -1238,8 +1248,8 @@ static void xgbe_write_mmd_regs_v1(struct xgbe_prv_data *pdata, int prtad,
unsigned int mmd_address;
unsigned long flags;
- if (mmd_reg & MII_ADDR_C45)
- mmd_address = mmd_reg & ~MII_ADDR_C45;
+ if (mmd_reg & XGBE_ADDR_C45)
+ mmd_address = mmd_reg & ~XGBE_ADDR_C45;
else
mmd_address = (pdata->mdio_mmd << 16) | (mmd_reg & 0xffff);
@@ -1284,11 +1294,20 @@ static void xgbe_write_mmd_regs(struct xgbe_prv_data *pdata, int prtad,
}
}
-static unsigned int xgbe_create_mdio_sca(int port, int reg)
+static unsigned int xgbe_create_mdio_sca_c22(int port, int reg)
{
- unsigned int mdio_sca, da;
+ unsigned int mdio_sca;
+
+ mdio_sca = 0;
+ XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, RA, reg);
+ XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, PA, port);
- da = (reg & MII_ADDR_C45) ? reg >> 16 : 0;
+ return mdio_sca;
+}
+
+static unsigned int xgbe_create_mdio_sca_c45(int port, unsigned int da, int reg)
+{
+ unsigned int mdio_sca;
mdio_sca = 0;
XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, RA, reg);
@@ -1298,14 +1317,13 @@ static unsigned int xgbe_create_mdio_sca(int port, int reg)
return mdio_sca;
}
-static int xgbe_write_ext_mii_regs(struct xgbe_prv_data *pdata, int addr,
- int reg, u16 val)
+static int xgbe_write_ext_mii_regs(struct xgbe_prv_data *pdata,
+ unsigned int mdio_sca, u16 val)
{
- unsigned int mdio_sca, mdio_sccd;
+ unsigned int mdio_sccd;
reinit_completion(&pdata->mdio_complete);
- mdio_sca = xgbe_create_mdio_sca(addr, reg);
XGMAC_IOWRITE(pdata, MAC_MDIOSCAR, mdio_sca);
mdio_sccd = 0;
@@ -1322,14 +1340,33 @@ static int xgbe_write_ext_mii_regs(struct xgbe_prv_data *pdata, int addr,
return 0;
}
-static int xgbe_read_ext_mii_regs(struct xgbe_prv_data *pdata, int addr,
- int reg)
+static int xgbe_write_ext_mii_regs_c22(struct xgbe_prv_data *pdata, int addr,
+ int reg, u16 val)
+{
+ unsigned int mdio_sca;
+
+ mdio_sca = xgbe_create_mdio_sca_c22(addr, reg);
+
+ return xgbe_write_ext_mii_regs(pdata, mdio_sca, val);
+}
+
+static int xgbe_write_ext_mii_regs_c45(struct xgbe_prv_data *pdata, int addr,
+ int devad, int reg, u16 val)
{
- unsigned int mdio_sca, mdio_sccd;
+ unsigned int mdio_sca;
+
+ mdio_sca = xgbe_create_mdio_sca_c45(addr, devad, reg);
+
+ return xgbe_write_ext_mii_regs(pdata, mdio_sca, val);
+}
+
+static int xgbe_read_ext_mii_regs(struct xgbe_prv_data *pdata,
+ unsigned int mdio_sca)
+{
+ unsigned int mdio_sccd;
reinit_completion(&pdata->mdio_complete);
- mdio_sca = xgbe_create_mdio_sca(addr, reg);
XGMAC_IOWRITE(pdata, MAC_MDIOSCAR, mdio_sca);
mdio_sccd = 0;
@@ -1345,6 +1382,26 @@ static int xgbe_read_ext_mii_regs(struct xgbe_prv_data *pdata, int addr,
return XGMAC_IOREAD_BITS(pdata, MAC_MDIOSCCDR, DATA);
}
+static int xgbe_read_ext_mii_regs_c22(struct xgbe_prv_data *pdata, int addr,
+ int reg)
+{
+ unsigned int mdio_sca;
+
+ mdio_sca = xgbe_create_mdio_sca_c22(addr, reg);
+
+ return xgbe_read_ext_mii_regs(pdata, mdio_sca);
+}
+
+static int xgbe_read_ext_mii_regs_c45(struct xgbe_prv_data *pdata, int addr,
+ int devad, int reg)
+{
+ unsigned int mdio_sca;
+
+ mdio_sca = xgbe_create_mdio_sca_c45(addr, devad, reg);
+
+ return xgbe_read_ext_mii_regs(pdata, mdio_sca);
+}
+
static int xgbe_set_ext_mii_mode(struct xgbe_prv_data *pdata, unsigned int port,
enum xgbe_mdio_mode mode)
{
@@ -3558,8 +3615,10 @@ void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *hw_if)
hw_if->set_speed = xgbe_set_speed;
hw_if->set_ext_mii_mode = xgbe_set_ext_mii_mode;
- hw_if->read_ext_mii_regs = xgbe_read_ext_mii_regs;
- hw_if->write_ext_mii_regs = xgbe_write_ext_mii_regs;
+ hw_if->read_ext_mii_regs_c22 = xgbe_read_ext_mii_regs_c22;
+ hw_if->write_ext_mii_regs_c22 = xgbe_write_ext_mii_regs_c22;
+ hw_if->read_ext_mii_regs_c45 = xgbe_read_ext_mii_regs_c45;
+ hw_if->write_ext_mii_regs_c45 = xgbe_write_ext_mii_regs_c45;
hw_if->set_gpio = xgbe_set_gpio;
hw_if->clr_gpio = xgbe_clr_gpio;
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